# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/sound/qcom,wcd934x.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm WCD9340/WCD9341 Audio Codec
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
description: |
Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
It has in-built Soundwire controller, pin controller, interrupt mux and
supports both I2S/I2C and SLIMbus audio interfaces.
properties:
compatible:
const: slim217,250
reg:
maxItems: 1
interrupts:
maxItems: 1
reset-gpios:
description: GPIO spec for reset line to use
maxItems: 1
slim-ifc-dev:
description: IFC device interface
$ref: /schemas/types.yaml#/definitions/phandle
clocks:
maxItems: 1
clock-names:
const: extclk
vdd-buck-supply:
description: A reference to the 1.8V buck supply
vdd-buck-sido-supply:
description: A reference to the 1.8V SIDO buck supply
vdd-rx-supply:
description: A reference to the 1.8V rx supply
vdd-tx-supply:
description: A reference to the 1.8V tx supply
vdd-vbat-supply:
description: A reference to the vbat supply
vdd-io-supply:
description: A reference to the 1.8V I/O supply
vdd-micbias-supply:
description: A reference to the micbias supply
qcom,micbias1-microvolt:
description: micbias1 voltage
minimum: 1800000
maximum: 2850000
qcom,micbias2-microvolt:
description: micbias2 voltage
minimum: 1800000
maximum: 2850000
qcom,micbias3-microvolt:
description: micbias3 voltage
minimum: 1800000
maximum: 2850000
qcom,micbias4-microvolt:
description: micbias4 voltage
minimum: 1800000
maximum: 2850000
qcom,hphl-jack-type-normally-closed:
description: Indicates that HPHL jack switch type is normally closed
type: boolean
qcom,ground-jack-type-normally-closed:
description: Indicates that Headset Ground switch type is normally closed
type: boolean
qcom,mbhc-headset-vthreshold-microvolt:
description: Voltage threshold value for headset detection
minimum: 0
maximum: 2850000
qcom,mbhc-headphone-vthreshold-microvolt:
description: Voltage threshold value for headphone detection
minimum: 0
maximum: 2850000
qcom,mbhc-buttons-vthreshold-microvolt:
description:
Array of 8 Voltage threshold values corresponding to headset
button0 - button7
minItems: 8
maxItems: 8
clock-output-names:
const: mclk
clock-frequency:
description: Clock frequency of output clk in Hz
interrupt-controller: true
'#interrupt-cells':
const: 1
'#clock-cells':
const: 0
'#sound-dai-cells':
const: 1
"#address-cells":
const: 1
"#size-cells":
const: 1
gpio@42:
type: object
$ref: /schemas/gpio/qcom,wcd934x-gpio.yaml#
patternProperties:
"^.*@[0-9a-f]+$":
type: object
additionalProperties: true
description: |
WCD934x subnode for each slave devices. Bindings of each subnodes
depends on the specific driver providing the functionality and
documented in their respective bindings.
properties:
reg:
maxItems: 1
required:
- reg
required:
- compatible
- reg
allOf:
- $ref: dai-common.yaml#
- if:
required:
- slim-ifc-dev
then:
required:
- reset-gpios
- slim-ifc-dev
- interrupt-controller
- clock-frequency
- clock-output-names
- qcom,micbias1-microvolt
- qcom,micbias2-microvolt
- qcom,micbias3-microvolt
- qcom,micbias4-microvolt
- "#interrupt-cells"
- "#clock-cells"
- "#sound-dai-cells"
- "#address-cells"
- "#size-cells"
oneOf:
- required:
- interrupts-extended
- required:
- interrupts
else:
properties:
reset-gpios: false
slim-ifc-dev: false
interrupts: false
interrupt-controller: false
clock-frequency: false
clock-output-names: false
qcom,micbias1-microvolt: false
qcom,micbias2-microvolt: false
qcom,micbias3-microvolt: false
qcom,micbias4-microvolt: false
"#interrupt-cells": false
"#clock-cells": false
"#sound-dai-cells": false
"#address-cells": false
"#size-cells": false
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
codec@1,0{
compatible = "slim217,250";
reg = <1 0>;
reset-gpios = <&tlmm 64 GPIO_ACTIVE_LOW>;
slim-ifc-dev = <&wcd9340_ifd>;
#sound-dai-cells = <1>;
interrupt-parent = <&tlmm>;
interrupts = <54 4>;
interrupt-controller;
#interrupt-cells = <1>;
#clock-cells = <0>;
clock-frequency = <9600000>;
clock-output-names = "mclk";
qcom,micbias1-microvolt = <1800000>;
qcom,micbias2-microvolt = <1800000>;
qcom,micbias3-microvolt = <1800000>;
qcom,micbias4-microvolt = <1800000>;
qcom,hphl-jack-type-normally-closed;
qcom,ground-jack-type-normally-closed;
qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000
500000>;
qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
clock-names = "extclk";
clocks = <&rpmhcc 2>;
#address-cells = <1>;
#size-cells = <1>;
gpio@42 {
compatible = "qcom,wcd9340-gpio";
reg = <0x42 0x2>;
gpio-controller;
#gpio-cells = <2>;
};
};
...
